/Engine/Source/Runtime/Engine/Classes/Engine/MapBuildDataRegistry.h
pointer to theFSkyAtmosphereMapBuildData, nullptr if built data has not been built yet.
const [FSkyAtmosphereMapBuildData](API\Runtime\Engine\Engine\FSkyAtmosphereMapBuildData) * GetSkyAtmosphereBuildData ( const [FGuid](API\Runtime\Core\Misc\FGuid) & Guid ) const